1  {
 2    "compilerOptions": {
 3      "types": ["mocha", "chai"],
 4      "typeRoots": ["./node_modules/@types"],
 5      "lib": ["es2015"],
 6      "module": "commonjs",
 7      "target": "es6",
 8      "esModuleInterop": true
 9    }
10  }